<template>
  <div class="app-container">
    <div class="fly-card-head">
      <div class="fly-card-head-wrapper">
        <div class="fly-card-head-title"><div class="head-title">菜单列表</div></div>
      </div>
    </div>
    <div class="fly-card-body">
      <el-form :inline="true">
        <el-form-item label="菜单名称">
          <el-input v-model="queryParams.menuName" placeholder="请输入菜单名称" clearable size="small" @keyup.enter.native="handleQuery" />
        </el-form-item>
        <el-form-item label="状态">
          <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
            <el-option v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictLabel" :value="dict.dictValue" />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:menu:add']">新增</el-button>
        </el-form-item>
      </el-form>

      <el-table v-loading="loading" :data="menuList" row-key="menuId" :tree-props="{ children: 'children', hasChildren: 'hasChildren' }">
        <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
        <el-table-column prop="icon" label="图标" align="center" width="100">
          <template slot-scope="scope">
            <svg-icon :icon-class="scope.row.icon" />
          </template>
        </el-table-column>
        <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
        <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="status" label="状态" :formatter="statusFormat" width="80"></el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:menu:edit']">修改</el-button>
            <el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)" v-hasPermi="['system:menu:add']">新增</el-button>
            <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['system:menu:remove']">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 添加或修改菜单对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="上级菜单">
                <treeselect v-model="form.parentId" :options="menuOptions" :normalizer="normalizer" :show-count="true" placeholder="选择上级菜单" />
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="菜单类型" prop="menuType">
                <el-radio-group v-model="form.menuType">
                  <el-radio label="M">目录</el-radio>
                  <el-radio label="C">菜单</el-radio>
                  <el-radio label="F">按钮</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
                <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                  <IconSelect ref="iconSelect" @selected="selected" />
                  <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                    <svg-icon v-if="form.icon" slot="prefix" :icon-class="form.icon" class="el-input__icon" style="height: 32px;width: 16px;" />
                    <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                  </el-input>
                </el-popover>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName"><el-input v-model="form.menuName" placeholder="请输入菜单名称" /></el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="显示排序" prop="orderNum"><el-input-number v-model="form.orderNum" controls-position="right" :min="0" /></el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="是否外链">
                <el-radio-group v-model="form.isFrame">
                  <el-radio label="0">是</el-radio>
                  <el-radio label="1">否</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path"><el-input v-model="form.path" placeholder="请输入路由地址" /></el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item label="组件路径" prop="component"><el-input v-model="form.component" placeholder="请输入组件路径" /></el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'M'" label="权限标识"><el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" /></el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="显示状态">
                <el-radio-group v-model="form.visible">
                  <el-radio v-for="dict in visibleOptions" :key="dict.dictValue" :label="dict.dictValue">{{ dict.dictLabel }}</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
                <el-radio-group v-model="form.status">
                  <el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{ dict.dictLabel }}</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu';
import Treeselect from '@riophae/vue-treeselect';
import '@riophae/vue-treeselect/dist/vue-treeselect.css';
import IconSelect from '@/components/IconSelect';

export default {
  name: 'Menu',
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [{ required: true, message: '菜单名称不能为空', trigger: 'blur' }],
        orderNum: [{ required: true, message: '菜单顺序不能为空', trigger: 'blur' }],
        path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }]
      }
    };
  },
  created() {
    this.getList();
    this.getDicts('sys_show_hide').then(response => {
      this.visibleOptions = response.data;
    });
    this.getDicts('sys_normal_disable').then(response => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then(response => {
        this.menuList = this.handleTree(response.data, 'menuId');
        this.loading = false;
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then(response => {
        this.menuOptions = [];
        const menu = { menuId: 0, menuName: '主类目', children: [] };
        menu.children = this.handleTree(response.data, 'menuId');
        this.menuOptions.push(menu);
      });
    },
    // 显示状态字典翻译
    visibleFormat(row, column) {
      if (row.menuType == 'F') {
        return '';
      }
      return this.selectDictLabel(this.visibleOptions, row.visible);
    },
    // 菜单状态字典翻译
    statusFormat(row, column) {
      if (row.menuType == 'F') {
        return '';
      }
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: 'M',
        orderNum: undefined,
        isFrame: '1',
        visible: '0',
        status: '0'
      };
      this.resetForm('form');
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null) {
        this.form.parentId = row.menuId;
      }
      this.open = true;
      this.title = '添加菜单';
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      getMenu(row.menuId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = '修改菜单';
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess('修改成功');
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            addMenu(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess('新增成功');
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(function() {
          return delMenu(row.menuId);
        })
        .then(() => {
          this.getList();
          this.msgSuccess('删除成功');
        })
        .catch(function() {});
    }
  }
};
</script>
